302221230 has 32 divisors (see below), whose sum is σ = 728358048. Its totient is φ = 80256000.

The previous prime is 302221193. The next prime is 302221259. The reversal of 302221230 is 32122203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13671 + ... + 28130.

It is an arithmetic number, because the mean of its divisors is an integer number (22761189).

Almost surely, 2^302221230 is an apocalyptic number.

302221230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302221230 is an abundant number, since it is smaller than the sum of its proper divisors (426136818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302221230 is a wasteful number, since it uses less digits than its factorization.

302221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42052.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 302221230 is about 17384.5112096947. The cubic root of 302221230 is about 671.0810719657.

Adding to 302221230 its reverse (32122203), we get a palindrome (334343433).

The spelling of 302221230 in words is "three hundred two million, two hundred twenty-one thousand, two hundred thirty".